AP Physics C 2017

31 . A loop of wire surrounds a hole in a table, as shown above. A bar magnet is drop ...

32 . A rectangular loop of wire has dimensions a × b and includes a resistor R . This ...

34 . A uniform magnetic field B points parallel to the ground. A toy car is sliding down a ...

STOP. End of Physics C—Electricity and Magnetism Practice Exam—Multiple-Choice Questions ...

Physics C—Electricity and Magnetism Practice Exam—Free- Response Questions Time: 45 minutes. You may refer to ...

A 1 MΩ resistor is connected to the network of capacitors shown above. The circuit is hooked to a 10-V ba ...

A long, straight current-carrying wire is brought close to the compass, deflecting the compass to the posi ...

Physics C—Mechanics Practice Exam—Multiple-Choice Solutions 1 . D —A projectile has its maximum range when it is ...

must be right. 8 . B —The equation F = bv 2 is of the form y = mx , the equation of a line. Here ...

requires a vertical displacement, which doesn’t occur here. The PE of the spring is ^1 / 2 kx 0 2 ...

The centripetal force must act toward the center of the car’s circular path. This direction is NOT down ...

acceleration, is not constant. Use conservation of energy instead. The potential energy at the release point ...

35 . D —Kepler’s third law states that for all planets in the same system, their period of orbit squared is ...

Physics C—Electricity and Magnetism Practice Exam—Multiple- Choice Solutions 1 . B —An electric field exists reg ...

force on a positive charge is in the direction of the electric field. At point P itself the electric ...

19 . E —Assume that the current runs clockwise in the circuit, and use Kirchoff’s loop rule. Start with the ...

B must be more massive than charge A because it resists the change in its motion more than A. A proton ...

cos 0° is one. So don’t use the angle of the plane, use the angle from the vertical, BA cos 60°. 35 . C —Th ...

Physics C—Practice Exams—Free-Response Solutions Notes on grading your free-response section For answers that are nu ...

1 pt: For the left block mg sin 60 − T = ma . 1 pt: Here the directions chosen are co ...